mattcary added a comment.
It looks like there also has to be a change to
llvm/lib/Transforms/Utils/EntryExitInstrumenter.cpp?
Index: lib/Transforms/Utils/EntryExitInstrumenter.cpp
=====================================================
- lib/Transforms/Utils/EntryExitInstrumenter.cpp (revision 318760)
+++ lib/Transforms/Utils/EntryExitInstrumenter.cpp (working copy)
@@ -51,6 +51,10 @@
CallInst::Create(Fn, ArrayRef<Value *>(Args), "", InsertionPt);
return;
+ } else if (Func == "__cyg_profile_func_enter_bare") {
+ Constant *Fn = M.getOrInsertFunction(Func, Type::getVoidTy(C));
+ CallInst::Create(Fn, "", InsertionPt);
+ return;
}
// We only know how to call a fixed set of instrumentation functions, because
https://reviews.llvm.org/D40276
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